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  • Building the optical tube - Telescope making

    2007-11-28 · Drill SLOWLY (low RPM ... that will cover the rear of the tube, has the same diameter as the inside diameter of the telescope tube. You can see 3 bolts with springs. These are used to ... This is essential for good quality images in the eyepiece. Lets cut the particle board discs first. Optionally, you can cut out a 80 mm opening in the 'tube ...

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  • Stellafane: The Tube

    The Tube. The tube is an important element of your Newtonian telescope: It holds all the optical parts in alignment, it shields the optics from light and physical contact that might damage them. It is also the most visible part of your telescope, so many people want to make it look nice. In this section, we will describe the characteristics and ...

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  • Large Carbon Fiber Telescope Tubes

    2016-4-6 · If the inside dimension of the tube is sufficiently large, say 30 mm more than the mirror diameter, the base plate too can be pushed inside the tube; a flange at the end of the tube is not necessary. 5.1 The telescope tube. The telescope tube could be made of wood.

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  • How to Build a Telescope - IUCAA SciPOP - Home

    I claim: 1. A drilling device comprising a telescopic Kellybar (16) including an outer tube (17) and at least one inner telescopic tube (18) guided and lockable in said outer tube (17), a tool (22) being mountable to a front end of the inner telescopic tube (18), a drilling mast (10) on which a carriage (14) is displaceable, said carriage (14) including a drive head (15) for rotating the outer ...

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  • Drilling device with telescopic Kellybar - Ing. G. Klemm ...

    Introduction. The PiKon telescope consists of two main assemblies: the Mirror Assembly and the Spider Assembly. The telescope is mounted onto an astronomical dovetail wedge. There is photographic standard 1⁄4” Whitworth thread for mounting on an astronomical or photographic tripod. Images are captured by the Raspberry Pi Camera and Computer.

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  • Build A Simple Galilean Refracting Telescope

    2020-11-20 · Drill out small holes to 15/64 3. Install washers and locknuts 4. Reinstall mirror cell Remove all six pieces of hardware on rear of cell and remove the black round paper from rear of mirror. Drill existing small holes to 15/64” holes and make sure they align with the three screws for

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  • PiKon telescope — Wikifab

    Le télescope PiKon se compose de deux sous-ensembles : le Mirror et le Spider (j'ai décidé de conserver les noms anglais pour plus de cohérence). Pour le montage sur trépied nous utilisons un assemblage standard. Les images sont capturées par l'appareil photo du Raspberry Pi. Le Raspberry Pi est utilisé en mode 'commande' (le code source ...

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  • Making a Galilean Telescope - Rice University

    2008-7-31 · If you have a refracting telescope with a diagonal that lets you look horizontally into the tube when the scope is pointing straight up, you can replace it with a hybrid diagonal (about 35) with a skinny end to fit into 0.965-inch-wide focusers and a fat end that holds 1.25-inch eyepieces.. Now, let’s check out some eyepieces. Many designs are available, but you can’t go wrong with some ...

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  • How to Make a Telescope: Step-by-Step Instructions

    The refractor telescope was designed to provide views of the moon's craters, Jupiter's major moons, and Saturn's rings. As a terrestrial telescope, the refractor telescope delivers great views of mountains, valleys, and many other features of the world around. Features: 1. Large Aperture And High Power Telescope: 70mm objective lens, large view.

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  • Making a Galilean Telescope - Rice University

    2008-7-31 · If you have a refracting telescope with a diagonal that lets you look horizontally into the tube when the scope is pointing straight up, you can replace it with a hybrid diagonal (about 35) with a skinny end to fit into 0.965-inch-wide focusers and a fat end that holds 1.25-inch eyepieces.. Now, let’s check out some eyepieces. Many designs are available, but you can’t go wrong with some ...

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  • Tune Up Your Telescope - Sky & Telescope - Sky &

    In this section we will show you how to build a complete Dobsonian Telescope. The sample we will build is a 6-inch f/7.5, however the plans can be scaled down to 4-inch scopes and up to 10- or 12-inch scopes of various focal ratios. At about the 12-inch size, it is more practical to switch to a truss-tube design, which we will not cover at this ...

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  • Stellafane: Build a Dobsonian Telescope

    2014-3-23 · images, you can test whether your telescope's optics are aligned. ... Drill or punch a small pinhole in the exact center of the lid and cut off the bottom of the canister. This device will keep your eye centered of the focuser tube. Insert the collimating cap into the focuser in place of a regular eyepiece.

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  • COLLIMATING A NEWTONIAN - APM Telescopes

    2013-12-30 · A Galilean telescope is, in essence, a tube with two lenses placed at either end. The eyepiece is a plano-concave lens, which is flat on one side …

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  • A Budget Telescope Tripod From Pipe Fittings

    2021-3-18 · mounting screws. Use a 3/16' drill bit to do this. Use the base of the focuser as a template when drilling these holes. You may also need to cut a larger hole (3.65' diameter) in the telescope for the bottom of the focuser. Be careful not to cut your fingers on any sharp tube edges when attempting to …

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  • Smaller Dobsonian Telescope : 11 Steps (with Pictures ...

    Wooden Telescope Part 2: Tube and Mount: A lot of you enjoyed reading the story of how I built the primary mirror of my telescope. This Instructable will show you how I designed and built the tube and the mount. The overall appearance of the telescope is a merge of ideas taken between vari…

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  • Wooden Telescope Part 2: Tube and Mount : 14 Steps

    2020-2-27 · This webpage shows how to convert your truss tube telescope to a string telescope by bolting on the string assembly with minimum modifications to the mirror box. Drill mounting holes in your existing mirror box and bolt on the string assembly. Advantages of String Telescope: Easier setup (easier setup in the dark by one person) Quicker setup

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  • Don's Truss Tube To String Telescope - dbpeckham.com

    The focuser on the Orion 12' f/8 Truss Tube Ritchey-Chrétien Astrograph is a masterpiece of rigidity and precision. The CNC-machined 3.3' dual-speed (10:1) linear bearing Crayford focuser features a stainless steel rail on the drawtube that provides extra support for …

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  • PiKon Telescope : 9 Steps (with Pictures) - Instructables

    2015-6-26 · The heart of any refractor is its convex glass objective lens, which is mounted close to the front of the hollow telescope tube. Rays of light from distant objects like the Moon pass through this and are bent or ‘refracted’ (hence the name) towards a point just inside the far end of the tube.

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  • How to Build a Telescope - IUCAA SciPOP - Home

    2010-12-22 · Page 1 of 2 - do not cut your vintage telescope tube - posted in Refractors : Hi I have a very precious ( to me ) vintage C102 vixen/celestron made in Japan. This scope has very great planetary images, great reviews all over the place. I bought me a pair of binoviewers, and the focus would not travel in far enough for it to focus. I had read where many had shortened their tubes, what a shame ...

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  • Drilling Bolt Holes on the 140 Foot Telescope –

    2020-8-5 · NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.

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  • OBSErvatory in EducaTION

    The PiKon telescope is a 3D printed astro-cam which uses a Raspberry Pi camera. It was designed as a demonstration of what could be done by the home enthusiast with new disruptive technologies such as 3D printing and Raspberry Pi computers. It proved so popular that it was crowd funded. Kits and parts are now available in a Shopify Shop.

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  • Hubble Space Telescope Images | NASA

    2013-8-27 · The back of your telescope tube should have a means of holding an eyepiece and adjusting its location. This is best done with a PVC plastic fitting called a compression fitting or trap adapter. One side of these fittings has a ring that, when screwed in, will hold a piece of pipe in place. For telescope making, this needs to be 1¼in. in ...

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  • The 2.5-meter Telescope - Princeton University

    2015-6-26 · The heart of any refractor is its convex glass objective lens, which is mounted close to the front of the hollow telescope tube. Rays of light from distant objects like the Moon pass through this and are bent or ‘refracted’ (hence the name) towards a point just inside the far end of the tube.

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  • PiKon

    2018-12-3 · C7 - Customers have reported different tube diameters for different year models; One customer had no problems inserting the GSO Crayford. Another had to machine the flange down by about 1/16' to make it fit inside the AT1010 tube. C8 - The original screws on this telescope are cheap sheet metal screws and need to be replaced by M4 screws

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  • Collimation - Newtonian Telescope - Reflector - Astro

    2021-7-6 · PNG images and cliparts for web design. We have 100771 + 286 new free PNG images About. Donate. ... Chainsaw 39, Compass 48, Crane 28, Drill 73, Excavator 69, Extinguisher 72, Fan 40 ... Sony Playstation 33, Stopwatch 153, Tablet 52, Telescope 114, Toaster 55, Tripod 147, USB flash 71, Vacuum cleaner 73, Video ...

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